/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.log4j.spi;

import org.apache.log4j.*;
import org.apache.log4j.helpers.LogLog;

// Contibutors: Mathias Bogaert

/**
 * @deprecated Replaced by {@link RootLogger}.
 */
final public class RootCategory extends Logger {

	/**
	 * The root category names itself as "root". However, the root category
	 * cannot be retrieved by name.
	 */
	public RootCategory(Level level) {
		super("root");
		setLevel(level);
	}

	/**
	 * Return the assigned level value without walking the category hierarchy.
	 */
	final public Level getChainedLevel() {
		return level;
	}

	/**
	 * Setting a null value to the level of the root category may have
	 * catastrophic results. We prevent this here.
	 * 
	 * @since 0.8.3
	 */
	final public void setLevel(Level level) {
		if (level == null) {
			LogLog.error("You have tried to set a null level to root.",
					new Throwable());
		} else {
			this.level = level;
		}
	}

	final public void setPriority(Level level) {
		setLevel(level);
	}

}
